package demo;

import java.util.ArrayList;
import java.util.List;

public class Test1 {
    public static void main(String[] args) {
        BinaryTree_int binaryTree_int=new BinaryTree_int();
        BinaryTree_int.TreeNode root=binaryTree_int.creat();
        List<List<Integer>>ret=binaryTree_int.levelOrderBottom(root);
        System.out.println("");
    }
}
